chenjipdc commented on issue #8470:
URL: https://github.com/apache/shardingsphere/issues/8470#issuecomment-739609077
In my project I use the following method to solve this problem.
```java
private static final String FORMAT = "yyyy-MM-dd HH:mm:ss";
private static final SimpleDateFormat SIMPLE_DATE_FORMAT = new
SimpleDateFormat(FORMAT);
private long parseDate(final Comparable<?> shardingValue) {
String value;
if (shardingValue instanceof Date){
value = SIMPLE_DATE_FORMAT.format(shardingValue);
}else {
value = shardingValue.toString();
}
LocalDateTime dateValue = LocalDateTime.parse(value, DATE_TIME_FORMAT);
return Duration.between(dateTimeLower, dateValue).toMillis() / 1000;
}
```
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